This is an optional Traxxas Blue Aluminum Steering Block Set, and is intended for use with the Traxxas 1/8 Scale Funny Car. Traxxas aluminum accessories improve the appearance, precision, and control of the Traxxas Funny Car. All the suspension parts feature the strength and precision of 6061-T6 aluminum. All the aluminum components are available in vivid red or brilliant blue and are direct replacements for the original parts, no modifications required.